US20020177427A1 - Method and apparatus for restoring a soft decision component of a signal - Google Patents

Method and apparatus for restoring a soft decision component of a signal Download PDF

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US20020177427A1
US20020177427A1 US09/818,767 US81876701A US2002177427A1 US 20020177427 A1 US20020177427 A1 US 20020177427A1 US 81876701 A US81876701 A US 81876701A US 2002177427 A1 US2002177427 A1 US 2002177427A1
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signal
receiver
branch
channel
mse
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US6901122B2 (en
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Nikhil Nadgauda
Kevin Baum
Frederick Vook
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Google Technology Holdings LLC
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Motorola Inc
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Assigned to Motorola Mobility, Inc reassignment Motorola Mobility, Inc ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MOTOROLA, INC
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
US09/818,767 2001-03-27 2001-03-27 Method and apparatus for restoring a soft decision component of a signal Expired - Lifetime US6901122B2 (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040190637A1 (en) * 2003-03-28 2004-09-30 Maltsev Alexander A. System and method for adaptive phase compensation of OFDM signals
US20050276354A1 (en) * 2004-06-14 2005-12-15 Szu-Lin Su IQ imbalance compensation
US20060198477A1 (en) * 2005-03-02 2006-09-07 Moorti R T Carrier detection for multiple receiver systems
US7359311B1 (en) 2003-04-18 2008-04-15 Cisco Technology, Inc. Decoding method and apparatus using channel state information for use in a wireless network receiver
US20110221443A1 (en) * 2008-11-24 2011-09-15 Halliburton Energy Services, Inc. High Frequency Dielectric Measurement Tool
DE102011002823A1 (de) * 2011-01-18 2012-07-19 Siemens Aktiengesellschaft Verfahren zum Verarbeiten von über einen Kommunikationskanal übertragenen Datenpaketen
US20150180681A1 (en) * 2013-02-19 2015-06-25 At&T Intellectual Property I, Lp Apparatus and method for interference cancellation in communication systems
US9143168B1 (en) * 2007-11-08 2015-09-22 Marvell International Ltd. Method and system for removing interference caused by servo data from user data
US11172488B2 (en) * 2017-03-08 2021-11-09 Telefonaktiebolaget Lm Ericsson (Publ) Power amplifier-aware user scheduling

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US7145959B2 (en) * 2001-04-25 2006-12-05 Magnolia Broadband Inc. Smart antenna based spectrum multiplexing using existing pilot signals for orthogonal frequency division multiplexing (OFDM) modulations
US6862456B2 (en) * 2002-03-01 2005-03-01 Cognio, Inc. Systems and methods for improving range for multicast wireless communication
US6785520B2 (en) 2002-03-01 2004-08-31 Cognio, Inc. System and method for antenna diversity using equal power joint maximal ratio combining
WO2003075471A2 (en) * 2002-03-01 2003-09-12 Cognio, Inc. System and method for joint maximal ratio combining
US6687492B1 (en) * 2002-03-01 2004-02-03 Cognio, Inc. System and method for antenna diversity using joint maximal ratio combining
US6871049B2 (en) * 2002-03-21 2005-03-22 Cognio, Inc. Improving the efficiency of power amplifiers in devices using transmit beamforming
US7161973B2 (en) * 2002-12-17 2007-01-09 Sbc Properties, L.P. Pilot aided adaptive minimum mean square interference cancellation and detection
JP2006514470A (ja) * 2003-02-22 2006-04-27 テレフォンアクチーボラゲット エル エム エリクソン（パブル） 電力推定のための装置及び方法
US7116952B2 (en) * 2003-10-09 2006-10-03 Intel Corporation Method and apparatus to provide an area efficient antenna diversity receiver
US7263335B2 (en) * 2004-07-19 2007-08-28 Purewave Networks, Inc. Multi-connection, non-simultaneous frequency diversity in radio communication systems
GB2435129B (en) * 2006-02-10 2009-11-11 Thales Holdings Uk Plc Antenna signal processing apparatus
WO2008002224A1 (en) * 2006-06-26 2008-01-03 Telefonaktiebolaget L M Ericsson (Publ) A method and apparatus to optimize the choice of communication link in a wireless network with mimo
US8259833B2 (en) * 2006-07-07 2012-09-04 Telefonaktiebolaget Lm Ericsson (Publ) Method and arrangement relating to radio signal transmissions
US8957807B2 (en) * 2011-12-14 2015-02-17 Ford Global Technologies, Llc Internal multi-axis G sensing used to align an automotive forward radar to the vehicle's thrust axis
US9195860B1 (en) * 2014-01-10 2015-11-24 Seagate Technology Llc Adaptively combining waveforms

Citations (6)

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US6141393A (en) * 1999-03-03 2000-10-31 Motorola, Inc. Method and device for channel estimation, equalization, and interference suppression
US6362781B1 (en) * 2000-06-30 2002-03-26 Motorola, Inc. Method and device for adaptive antenna combining weights
US6418175B1 (en) * 1996-07-03 2002-07-09 Nokia Telecommunications Oy Method for determining strength of co-channel signals, and a receiver
US6445342B1 (en) * 2000-06-30 2002-09-03 Motorola, Inc. Method and device for multi-user frequency-domain channel estimation
US6504506B1 (en) * 2000-06-30 2003-01-07 Motorola, Inc. Method and device for fixed in time adaptive antenna combining weights
US6647078B1 (en) * 2000-06-30 2003-11-11 Motorola, Inc. Method and device for multi-user frequency-domain channel estimation based on gradient optimization techniques

Patent Citations (6)

* Cited by examiner, † Cited by third party
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US6418175B1 (en) * 1996-07-03 2002-07-09 Nokia Telecommunications Oy Method for determining strength of co-channel signals, and a receiver
US6141393A (en) * 1999-03-03 2000-10-31 Motorola, Inc. Method and device for channel estimation, equalization, and interference suppression
US6362781B1 (en) * 2000-06-30 2002-03-26 Motorola, Inc. Method and device for adaptive antenna combining weights
US6445342B1 (en) * 2000-06-30 2002-09-03 Motorola, Inc. Method and device for multi-user frequency-domain channel estimation
US6504506B1 (en) * 2000-06-30 2003-01-07 Motorola, Inc. Method and device for fixed in time adaptive antenna combining weights
US6647078B1 (en) * 2000-06-30 2003-11-11 Motorola, Inc. Method and device for multi-user frequency-domain channel estimation based on gradient optimization techniques

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040190637A1 (en) * 2003-03-28 2004-09-30 Maltsev Alexander A. System and method for adaptive phase compensation of OFDM signals
US7457366B2 (en) * 2003-03-28 2008-11-25 Intel Corporation System and method for adaptive phase compensation of OFDM signals
US7359311B1 (en) 2003-04-18 2008-04-15 Cisco Technology, Inc. Decoding method and apparatus using channel state information for use in a wireless network receiver
US20050276354A1 (en) * 2004-06-14 2005-12-15 Szu-Lin Su IQ imbalance compensation
US7466768B2 (en) * 2004-06-14 2008-12-16 Via Technologies, Inc. IQ imbalance compensation
US20060198477A1 (en) * 2005-03-02 2006-09-07 Moorti R T Carrier detection for multiple receiver systems
US7792227B2 (en) * 2005-03-02 2010-09-07 Broadcom Corporation Carrier detection for multiple receiver systems
US9143168B1 (en) * 2007-11-08 2015-09-22 Marvell International Ltd. Method and system for removing interference caused by servo data from user data
US8957683B2 (en) * 2008-11-24 2015-02-17 Halliburton Energy Services, Inc. High frequency dielectric measurement tool
US20110221443A1 (en) * 2008-11-24 2011-09-15 Halliburton Energy Services, Inc. High Frequency Dielectric Measurement Tool
US9411068B2 (en) 2008-11-24 2016-08-09 Halliburton Energy Services, Inc. 3D borehole imager
DE102011002823A1 (de) * 2011-01-18 2012-07-19 Siemens Aktiengesellschaft Verfahren zum Verarbeiten von über einen Kommunikationskanal übertragenen Datenpaketen
DE102011002823B4 (de) * 2011-01-18 2012-08-30 Siemens Aktiengesellschaft Verfahren zum Verarbeiten von über einen Kommunikationskanal übertragenen Datenpaketen
US20150180681A1 (en) * 2013-02-19 2015-06-25 At&T Intellectual Property I, Lp Apparatus and method for interference cancellation in communication systems
US9203655B2 (en) * 2013-02-19 2015-12-01 At&T Intellectual Property I, Lp Apparatus and method for interference cancellation in communication systems
US9450785B2 (en) 2013-02-19 2016-09-20 At&T Intellectual Property I, L.P. Apparatus and method for interference cancellation in communication systems
US9692540B2 (en) 2013-02-19 2017-06-27 At&T Intellectual Property I, L.P. Apparatus and method for interference cancellation in communication systems
US10116405B2 (en) 2013-02-19 2018-10-30 At&T Intellectual Property I, L.P. Apparatus and method for interference cancellation in communication systems
US11172488B2 (en) * 2017-03-08 2021-11-09 Telefonaktiebolaget Lm Ericsson (Publ) Power amplifier-aware user scheduling

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